| Indeed, in mathematics, isomorphism is a perfect one-to-one, bijective mapping between two structures or sets. |
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| Due to the nature of the correction, the mapping is not bijective. |
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| It would be very interesting to find a similar bijective proof of the equidistribution of and. |
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| In it we give nice combinatorial labels of the regions and show that these are equinumerous, but the problem of a bijective proof is still open. |
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| An injective homomorphism is called monomorphism, a surjective homomorpism is called epimorphism and a bijective homomorphism is called isomorphism. |
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